Synthesia is an AI video generation platform that allows users to create professional-quality videos using AI avatars and voiceovers. It supports over 130 languages and offers a variety of customization options, including branded backgrounds, colors, and logos. The platform is designed to integrate seamlessly with existing systems like LMS, making it ideal for training, marketing, and customer service videos. Synthesia emphasizes security and ethical use of AI, being SOC 2 and GDPR compliant.